From: Sekhar Nori <[email protected]>

Add touchscreen support for AM437x GP EVM using pixcir
touchscreen controller.

[Roger Q] - Updated bindings for touchscreen size.

CC: Benoit Cousson <[email protected]>
CC: Tony Lindgren <[email protected]>
Signed-off-by: Sekhar Nori <[email protected]>
Acked-by: Roger Quadros <[email protected]>
---
 arch/arm/boot/dts/am437x-gp-evm.dts | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts 
b/arch/arm/boot/dts/am437x-gp-evm.dts
index df8798e..64cd344 100644
--- a/arch/arm/boot/dts/am437x-gp-evm.dts
+++ b/arch/arm/boot/dts/am437x-gp-evm.dts
@@ -81,6 +81,12 @@
                        0x164 MUX_MODE0       /* 
eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */
                >;
        };
+
+       pixcir_ts_pins: pixcir_ts_pins {
+               pinctrl-single,pins = <
+                       0x264 (PIN_INPUT_PULLUP | MUX_MODE7)  /* 
spi2_d0.gpio3_22 */
+               >;
+       };
 };
 
 &i2c0 {
@@ -93,6 +99,20 @@
         status = "okay";
         pinctrl-names = "default";
         pinctrl-0 = <&i2c1_pins>;
+
+       pixcir_ts@5c {
+               compatible = "pixcir,pixcir_tangoc";
+               pinctrl-names = "default";
+               pinctrl-0 = <&pixcir_ts_pins>;
+               reg = <0x5c>;
+               interrupt-parent = <&gpio3>;
+               interrupts = <22 0>;
+
+               attb-gpio = <&gpio3 22 GPIO_ACTIVE_HIGH>;
+
+               touchscreen-size-x = <1024>;
+               touchscreen-size-y = <600>;
+       };
 };
 
 &epwmss0 {
-- 
1.8.3.2


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